1/*
2 * Copyright (c) 2006 Kungliga Tekniska H�gskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the Institute nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#include "ntlm.h"
37#include <gssapi_krb5.h>
38
39OM_uint32
40_gss_ntlm_inquire_sec_context_by_oid(OM_uint32 *minor_status,
41				     const gss_ctx_id_t context_handle,
42				     const gss_OID desired_object,
43				     gss_buffer_set_t *data_set)
44{
45    ntlm_ctx ctx = (ntlm_ctx)context_handle;
46
47    if (ctx == NULL) {
48	*minor_status = 0;
49	return gss_mg_set_error_string(GSS_NTLM_MECHANISM, GSS_S_NO_CONTEXT,
50				       0, "no context");
51    }
52
53    *minor_status = 0;
54    *data_set = GSS_C_NO_BUFFER_SET;
55
56    if (gss_oid_equal(desired_object, GSS_NTLM_GET_SESSION_KEY_X) ||
57        gss_oid_equal(desired_object, GSS_C_INQ_SSPI_SESSION_KEY)) {
58	gss_buffer_desc value;
59
60	if (ctx->sessionkey.length == 0) {
61	    *minor_status = ENOENT;
62	    return GSS_S_FAILURE;
63	}
64
65	value.length = ctx->sessionkey.length;
66	value.value = ctx->sessionkey.data;
67
68	return gss_add_buffer_set_member(minor_status,
69					 &value,
70					 data_set);
71    } else if (gss_oid_equal(desired_object, GSS_C_INQ_WIN2K_PAC_X)) {
72	if (ctx->pac.length == 0) {
73	    *minor_status = ENOENT;
74	    return GSS_S_FAILURE;
75	}
76
77	return gss_add_buffer_set_member(minor_status,
78					 &ctx->pac,
79					 data_set);
80    } else if (gss_oid_equal(desired_object, GSS_C_NTLM_GUEST)) {
81	gss_buffer_desc value;
82	uint32_t num;
83
84	if (ctx->kcmflags & KCM_NTLM_FLAG_AV_GUEST)
85	    num = 1;
86	else
87	    num = 0;
88
89	value.length = sizeof(num);
90	value.value = &num;
91
92	return gss_add_buffer_set_member(minor_status,
93					 &value,
94					 data_set);
95    } else if (gss_oid_equal(desired_object, GSS_C_PEER_HAS_UPDATED_SPNEGO)) {
96	if (ctx->flags & NTLM_NEG_NTLM2_SESSION)
97	    return GSS_S_COMPLETE;
98	return GSS_S_FAILURE;
99    } else if (gss_oid_equal(desired_object, GSS_C_NTLM_RESET_KEYS)) {
100	_gss_ntlm_set_keys(ctx);
101	return GSS_S_COMPLETE;
102    } else {
103	*minor_status = 0;
104	return GSS_S_FAILURE;
105    }
106}
107